w3schools.com

w3consortium

csstricks.com

ss64.com

Unix Man Pages

Mac OS Man Pages

Ubuntu Man Pages

Java programming resources collected by Marty Hall for courses in the Johns Hopkins Part-Time MS Program in Computer Science and for various industry seminars and short courses

C Programming Resources

Programmers Resources Discussion

Hitmill.com Programming Resources and Examples for students

Python.org

Visual Basic at Hitmill.com

C++ Reference